| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how long [modal v] [pers pn] [verb] | 154 |
|
| 2 | how long [vb mod] [pers pn] [verb] | 154 |
|
| 3 | how [adv] would [pers pn] [verb] | 92 |
|
| 4 | [adv] long would [pers pn] [verb] | 46 |
|
| 5 | how long would [pers pn] [verb] | 45 |
|
| 6 | how long would [pron] [verb] | 45 |
|
